In the given image, there is a number line with points marked at 9, 10, 11, 12, and 13. There is also a mathematical expression and a value for a variable. The expression is: $$ \frac{(a-3)^2 - 4(a-3) + 4}{a-5} $$ And the value of the variable is given as: $$ a = 0.55 $$ There is also some text that appears to be in Russian, which reads "жения" before the fraction and "при" before the value of 'a'. Based on this information, what is the task? The number line above the expression seems to be a distraction or context that is not directly used in the provided mathematical expression.

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